Which is more secure, IMAP or POP? [closed]
2016年8月11日 · IMAP is a way more complex protocol than POP and thus the risks of an insecure implementation are much higher there. If you care about data loss: The servers of the providers are usually better maintained than a desktop system, i.e. professional providers have redundancy, backups etc.
encryption - How (in)secure is POP/IMAP/SMTP - Information …
2015年11月18日 · SMTP, POP, and IMAP all can support multiple authentication mechanisms, some of which are encrypted (e.g., CRAM-MD5, GSSAPI). See a good list here under Non-plaintext authentication. In this manner, your credentials might be safe on the wire even though the actual mail isn't.
Risks in open POP3/IMAP ports? - Information Security Stack …
2018年8月22日 · There is no generic POP3 or IMAP vulnerability. In fact, you'll find open ports for this on many servers in the internet since these protocols are used to retrieve e-mail - hopefully in combination with TLS, i.e. after upgrading the initially plain connection to TLS using the STLS/STARTTLS commands.
Does IMAP/POP3/ASP undermine Two-Factor Auth?
Posteo: IMAP/POP3; This app-specific password gives any app complete access to your account. I can use the same app specific password from thunderbird to read all the messages using a mailing app on my phone. In Posteo's case, I simply enter the password as if 2FA was not set up, and I would be able to load any inbox.
How can I scan hosted POP3 or IMAP e-mail for viruses?
2014年11月23日 · Some firewalls don't offer inline IMAP scanning but instead mirror the IMAP accounts, scan new mails and provide the mails with an IMAP server at the firewall itself. In this case the credentials of the original IMAP account need to be stored at the firewall and the user gets different credentials to access the firewalls IMAP server.
Better safety: Webmail or POP3/IMAP email client?
I assume here that you only use TLS whatever the client and protocol. IMHO, the main difference is that when you use a IMAP/POP/SMTP client, the interface is controlled from your machine, so the provider cannot inject links. When you use a HTTP Webmail, the interface is controled by the server, so he can add links to advertise his own add ons.
tls - Is there a risk connecting to POP3 or SMTP email server …
2016年12月20日 · IMAP uses port 143, but SSL/TLS encrypted IMAP uses port 993. POP uses port 110, but SSL/TLS encrypted POP uses port 995. SMTP uses port 25, but SSL/TLS encrypted SMTP uses port 465. Is there a risk to sending and receiving emails via without a secure SSL/TLS connection? Should I be concerned? What could happen?
Security of email (SMTP/POP) passwords
2018年11月29日 · But then the world started encrypting the connection. SMTP, POP and IMAP clients and servers added support for SSL/TLS or STARTTLS to protect the entire connection. Once they became common, there was little motivation to use the more complex protected SMTP AUTH methods, because the TLS would provide all the necessary protection.
tls - POP3/IMAP Stronger Authentication - Information Security …
2012年9月4日 · While it would be relatively simple to modify an open-source POP/IMPA server to use a different authentication method, re-writing MS Outlook is going to be a lot more difficult. Alternatively you could use a reverse captive gateway to only allow access to the POP/IMAP server for IP addresses which have recently, successfully authenticated via ...
Is it possible to disable SSL over SMTP/POP to the mail server that ...
2018年5月6日 · There are different protocols for retrieving the mail (POP3, IMAP) and for sending mail (SMTP). All three of these protocols can have different flavors regarding the use of TLS: no TLS at all (by default port 25 or 587 SMTP, port 110 POP3, port 143 IMAP), upgrading a plain connection to TLS using a special command like STARTTLS (SMTP, IMAP) or STLS (POP3) …